Formwork Accessory Material: Ductile Iron, Steel Wing nut,formwork clamp,hex nut,tie rod,slope ... Water Stop Hex Nut, Round Nut Climbing Cone Material: Ductile Iron, SteelTensile Strength: More than 195KNSurface: GalvanizedColour: White, YellowQuality Level: High ... , Ledger end, Brace end, Waller plate and so on. Cast iron&steel formwork accessory,wing nut,clamp